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# This file declares functions to install the kernel headers for linux
# Copyright 2007 Yann E. MORIN
# Licensed under the GPL v2. See COPYING in the root of this package
CT_DoKernelTupleValues() {
# Nothing to do, keep the default value
:
}
do_print_filename() {
echo "linux-${CT_KERNEL_VERSION}"
}
# Download the kernel
do_kernel_get() {
if [ "${CT_KERNEL_LINUX_USE_CUSTOM_DIR}" != "y" ]; then
CT_GetFile "${CT_KERNEL_FILE}" {ftp,http}://ftp.kernel.org/pub/linux/kernel/v2.{6{,/testing},4,2}
fi
return 0
}
# Extract kernel
do_kernel_extract() {
if [ "${CT_KERNEL_LINUX_USE_CUSTOM_DIR}" != "y" ]; then
CT_ExtractAndPatch "${CT_KERNEL_FILE}"
fi
return 0
}
# Wrapper to the actual headers install method
do_kernel_headers() {
CT_DoStep INFO "Installing kernel headers"
if [ "${CT_KERNEL_LINUX_USE_CUSTOM_DIR}" = "y" ]; then
do_kernel_preinstalled
else
do_kernel_install
fi
CT_EndStep
}
# Install kernel headers using headers_install from kernel sources.
do_kernel_install() {
CT_DoLog DEBUG "Using kernel's headers_install"
mkdir -p "${CT_BUILD_DIR}/build-kernel-headers"
cd "${CT_BUILD_DIR}/build-kernel-headers"
# Only starting with 2.6.18 does headers_install is usable. We only
# have 2.6 version available, so only test for sublevel.
k_sublevel=$(gawk '/^SUBLEVEL =/ { print $3 }' "${CT_SRC_DIR}/${CT_KERNEL_FILE}/Makefile")
[ ${k_sublevel} -ge 18 ] || CT_Abort "Kernel version >= 2.6.18 is needed to install kernel headers."
V_OPT="V=${CT_KERNEL_LINUX_VERBOSE_LEVEL}"
CT_DoLog EXTRA "Installing kernel headers"
CT_DoExecLog ALL \
make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
O=$(pwd) \
ARCH=${CT_KERNEL_ARCH} \
INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
${V_OPT} \
headers_install
if [ "${CT_KERNEL_LINUX_INSTALL_CHECK}" = "y" ]; then
CT_DoLog EXTRA "Checking installed headers"
CT_DoExecLog ALL \
make -C "${CT_SRC_DIR}/${CT_KERNEL_FILE}" \
O=$(pwd) \
ARCH=${CT_KERNEL_ARCH} \
INSTALL_HDR_PATH="${CT_SYSROOT_DIR}/usr" \
${V_OPT} \
headers_check
find "${CT_SYSROOT_DIR}" -type f -name '.check*' -exec rm {} \;
fi
}
# Use preinstalled headers (most probably by using make headers_install in a
# modified (read: customised) kernel tree, or using pre-2.6.18 headers, such
# as 2.4). In this case, simply copy the headers in place
do_kernel_preinstalled() {
CT_DoLog EXTRA "Copying preinstalled kernel headers"
mkdir -p "${CT_SYSROOT_DIR}/usr"
cd "${CT_KERNEL_LINUX_CUSTOM_DIR}"
CT_DoExecLog ALL cp -rv include "${CT_SYSROOT_DIR}/usr"
}
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